* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  height: 100%;
  position: absolute;
}

.w {
  width: 1200px;
  margin: 0 auto;
}

.top {
  background: #000;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  width: 100%;
}

.orange {
  color: orange;
}

.img {
  float: left;
}

.box {
  width: 100%;
  height: 100%;
  background: #000;
  display: flex;
  flex-direction: column;
}

.ul li {
  list-style: none;
  float: left;
  line-height: 80px;
  padding: 0 30px;
  color: white;
}

.right {
  width: 170px;
  float: right;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 80px;
}

.right button {
  width: 120px;
  height: 40px;
  color: white;
  background: orange;
  outline: 0;
  border: 0;
  font-size: 18px;
}

.video {
  width: 100%;
}

.content {
  position: relative;
  flex: 1;
}

.content .top {
  width: 50px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid orange;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.content .top .san {
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-left-color: orange;
  margin-left: 10px;
}

.content .contentbox {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.content .center {
  margin-top: 60px;
}

.san {
  width: 100%;
  height: 100%;
  position: relative;
  background: #000 url("https://game.gtimg.cn/images/pubg/act/a20171114feature/bg_section1.jpg") 100%;
}

.san .div {
  position: absolute;
  width: 300px;
  height: 300px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
}

.san .div h1 {
  font-size: 60px;
  color: white;
  font-style: italic;
}

.san .div h2 {
  text-align: right;
  font-size: 40px;
  font-style: italic;
  color: orange;
}

.san .div p {
  font-size: 10px;
  color: white;
  font-style: italic;
}

.si {
  width: 100%;
  height: 100%;
  margin-top: 50px;
  position: relative;
  background: #000 url("https://game.gtimg.cn/images/pubg/act/a20171114feature/bg_section2.jpg") 100%;
}

.si .div {
  position: absolute;
  width: 300px;
  height: 300px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
}

.si .div h1 {
  font-size: 60px;
  color: white;
  font-style: italic;
}

.si .div h2 {
  text-align: right;
  font-size: 40px;
  font-style: italic;
  color: orange;
}

.si .div p {
  font-size: 10px;
  color: white;
  font-style: italic;
}

.si .div .city {
  width: 10px;
  height: 10px;
  background-color: white;
  border-radius: 50%;
  position: absolute;
  right: 190px;
  top: 228px;
}

.si .div .bw {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px white;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  animation: bw 1s linear infinite;
}

@keyframes bw {
  0% {
  }
  60% {
    width: 30px;
    height: 30px;
    opacity: 1;
  }
  100% {
    width: 50px;
    height: 50px;
    opacity: 0;
  }
}

.si .div .bw2 {
  animation-delay: 0.4s;
}

.si .div .bw3 {
  animation-delay: 0.8s;
}

.si .l {
  width: 600px;
  height: 800px;
  position: absolute;
  right: 0;
  top: 100px;
  transition: all 3s;
  opacity: 0;
}

.si .l .b,
.si .l .t {
  width: 100%;
  height: 395px;
}

.si .l .b p,
.si .l .t p {
  width: 100%;
  text-align: center;
  height: 60px;
}

.si .l .b p span,
.si .l .t p span {
  width: 60px;
  height: 60px;
  display: inline-block;
  background: rgba(0, 0, 0, 0.2);
}

.si .l .b p span img,
.si .l .t p span img {
  width: 100%;
}

.si .l .b p:nth-child(2),
.si .l .t p:nth-child(2) {
  width: 100%;
  height: 270px;
}

.si .l .b p:nth-child(2) img,
.si .l .t p:nth-child(2) img {
  width: 100%;
}

.si .l .b p:nth-child(3),
.si .l .t p:nth-child(3) {
  width: 100%;
  height: 60px;
  display: flex;
  justify-content: space-between;
}

.si .l .b p:nth-child(3) span,
.si .l .t p:nth-child(3) span {
  width: 60px;
  height: 60px;
  display: inline-block;
  background: rgba(0, 0, 0, 0.2);
}

.si .l .b p:nth-child(3) span img,
.si .l .t p:nth-child(3) span img {
  width: 100%;
}

.si .l .t {
  border-bottom: 2px dashed #ccc;
}

.wu {
  width: 100%;
  height: 100%;
  margin-top: 50px;
  background: #000;
  position: relative;
}

.wu .div {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 99;
}

.wu .div .left {
  width: 200px;
  padding: 0 30px;
  z-index: 99;
  height: 100px;
}

.wu .div .left .p {
  text-align: center;
  line-height: 30px;
  margin-bottom: 15px;
}

.wu .div .left p {
  color: white;
  font-size: 10px;
}

.wu .div .left p span {
  padding-bottom: 10px;
  border-bottom: 1px solid white;
}

.wu .div .right1 {
  flex-direction: column;
  padding: 0 30px;
  width: 130px;
  z-index: 99;
  height: 150px;
}

.wu .div .right1 .p {
  text-align: center;
  line-height: 30px;
  margin-bottom: 15px;
}

.wu .div .right1 .p span {
  padding-bottom: 10px;
  border-bottom: 1px solid white;
}

.wu .div .right1 p {
  color: white;
  font-size: 10px;
}

.wu .h1 {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-style: italic;
  z-index: 999999;
}

.wu .da,
.wu .xiao {
  width: 100%;
  display: flex;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.wu .da div img,
.wu .xiao div img {
  height: 100%;
}

.wu .da {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.wu .da .left_yi {
  width: 33.3%;
  z-index: 1;
  background: url("https://game.gtimg.cn/images/pubg/act/a20171114feature/img_weather1.jpg");
}

.wu .da .left_er {
  width: 33.3%;
  z-index: 2;
  background: url("https://game.gtimg.cn/images/pubg/act/a20171114feature/img_weather2.jpg");
}

.wu .da .left_san {
  width: 33.3%;
  z-index: 3;
  background: url("https://game.gtimg.cn/images/pubg/act/a20171114feature/img_weather3.jpg");
}

.wu .xiao {
  opacity: 0;
}

.wu .xiao .right_yi {
  width: 20%;
  z-index: 1;
  background: url("./img_terrain1.jpg");
}

.wu .xiao .right_er {
  width: 20%;
  z-index: 2;
  background: url("./img_terrain2.jpg");
}

.wu .xiao .right_san {
  width: 20%;
  z-index: 3;
  background: url("./img_terrain3.jpg");
}

.wu .xiao .right_si {
  width: 20%;
  z-index: 4;
  background: url("./img_terrain4.jpg");
}

.wu .xiao .right_wu {
  width: 20%;
  z-index: 5;
  background: url("./img_terrain5.jpg");
}

.wu .aaa {
  transition: all 1.3s;
}

.wu .aa {
  transition: all 1.3s;
}

.liu {
  width: 100%;
  height: 100%;
  background: #000;
  position: relative;
}

.liu .div {
  position: absolute;
  width: 300px;
  height: 300px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
}

.liu .div h1 {
  font-size: 60px;
  color: white;
  font-style: italic;
}

.liu .div h2 {
  text-align: right;
  font-size: 40px;
  font-style: italic;
  color: orange;
}

.liu .div p {
  font-size: 10px;
  color: white;
  font-style: italic;
}

.qi {
  width: 100%;
  height: 90%;
  background: #000;
  position: relative;
  margin-top: 150px;
}

.qi .div {
  padding-top: 1px;
  width: 450px;
  height: 100px;
  position: absolute;
  left: 50%;
  top: 70px;
  transform: translate(-50%, -50%);
}

.qi .div div {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.qi .div div h1 {
  font-size: 40px;
  color: white;
}

.qi .div div h2 {
  font-size: 40px;
  color: orange;
}

.qi .div > p {
  font-size: 12px;
  color: white;
}

.ba {
  width: 100%;
  height: 25%;
  background: #000;
  display: flex;
  margin-top: 20px;
  padding: 0 200px;
}
.span1{
  font-size: 30px;
}
.ba .left {
  width: 70px;
  margin-right: 20px;
}

.ba .left img {
  width: 100%;
}

.ba .right {
  display: block;
  flex: 1;
  width: 100%;
}

.ba .right .p1 {
  line-height: 26px;
  color: white;
}
